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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 7 — Jul. 10, 2011
  • pp: 070602–070602

Impairment-aware QoS provisioning in dual-header OBS networks

Yuqi Fan, Bin Wang, and Lian Li  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 7, pp. 070602-070602 (2011)


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Abstract

Signal degradation due to physical impairments may result in unacceptable bit-error rates of received signals at the destination. Based on earlier work, we study the impairment-aware quality of service (QoS) provisioning problem in dual-header optical burst switching (OBS) networks that employ two control packets for each data burst. At an OBS node, the proposed algorithm schedule bursts for transmission by searching for available resources using admission control and preemption. The algorithm also verifies signal quality. Simulation results show that this algorithm is effective in providing QoS support in OBS networks while considering physical impairment effects.

© 2011 Chinese Optics Letters

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms

Citation
Yuqi Fan, Bin Wang, and Lian Li, "Impairment-aware QoS provisioning in dual-header OBS networks," Chin. Opt. Lett. 9, 070602-070602 (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-7-070602

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